Verified answer

1. A: You …mustn’t … do that again! It was very naughty!

B: I’m sorry!

2. A: Shall I but some petrol in the car?

B: No, you ……needn't/don't have to……………. . I did it this morning.

3. A: You ……mustn't…………..be late tonight.

B: I won`t. I will be home early

4. A: Shall I give you lift?

B: No you ……needn't/don't have to………… . I `ll go by taxi

5. A: You …mustn't…………… forget to pay the bills today

B: I`ve already done it

6. A: You ……mustn't………… lose the money I gave you.

B: I`ll put it in a safe place

7. A: You ……needn't/don't have to………….. buy a gift for Daisy`s birthday

B: Alright. I`ll just send a card

8.A: Shall we take a picnic with us for Saturday?

B: No, we ……needn't/don't have to……………… . We`re going to eat at a restaurant